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The present doctoral thesis aims to contribute to the field of organic semiconductor physics and technology, both of which have become fast growing disciplines. Two technological applications are emerging from these research efforts: Organic light-emitting ...
We have investigated two possible fields of application for carbon nanotube (CNT) networks in flexible displays. Transparent and conductive layers of CNTs were spray coated onto glass and plastic substrates. The spectral transmission of the produced layers ...
Using plastics or dyes like molecular semiconductors to make optoelectronic devices at low cost is a project in industry that is of great interest to the "Information Community" of this beginning of the 21st century. Some applications of this technology ha ...
Stencil lithography is an innovative method for patterning that has a great flexibility from many points of view. It is based on shadow mask evaporation using thin silicon nitride membranes that allow the patterning of sub-100 nm features up to 100 μm in a ...
The process of hopping transport across organic heterojunctions is critical to the function of organic light-emitting diodes (OLED) and many other currently developed organic electronic devices. We consider the case of a hole-only or homopolar heterojuncti ...
Organic FET transistors (OFETs) were fabricated on silicon substrates using pentacene as active organic layer and gold source and drain contacts. OFETs were used as test structures in order to study carriers photogeneration effect in organic layers. Photog ...
Understanding the growth mechanism in molecular organic thin films is fundamental to their applications in organic electronics. We present an extensive study of the growth mechanism of pentacene thin films on silicon dioxide (SiO2) using atomic ...
In this work we propose a phenomenological microscopic approach to deal with pseudoinductive charge-relaxation processes (named also as negative capacitance phenomena) in organic molecules (tris-8-hydroxyquinoline-aluminum) and polymeric [poly(2-metoxy-5-( ...
This paper presents a detailed analysis of CSL (Current Steering Logic) [1] and compares its characteristics with FSCL (Folded Source Coupled Logic) [1,2,3], two logic families intended to be applied in mixed-mode CMOS circuits. These logic families genera ...
This paper presents a detailed analysis of the CMOS Current Steering Logic (CSL) technique and compares experimentally its digital switching noise to that of the CMOS static logic. Theoretical analysis of the CSL inverter is developed. More complex gates u ...